Simple machines
A simple machine is a mechanical device that changes the direction or magnitude of a force.[1]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Table_of_Mechanicks%2C_Cyclopaedia%2C_Volume_2.png/220px-Table_of_Mechanicks%2C_Cyclopaedia%2C_Volume_2.png)
Resources
editSee Also
edit- Wikipedia: Simple machine
- Edheads.org - Simple Machines Activity (fun, interactive activity; learning about simple machines)